{
  "manageEntity": {
    "action": "Update",
    "entityId": "489026160",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7nxthtanbeg6agp6q6otocaxkey5agbhiw3oa3pwnkfsnzqqlotq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":981899711},{\"type\":\"playlist\",\"playlist_id\":954706252},{\"type\":\"playlist\",\"playlist_id\":16773419}]}}}",
    "nonce": "0xacae05f9310b80fe866e289552f2f1a49850d2ca2c5ec9f5bdb6e2ff802a44e9",
    "signature": "0xe155181bbc2feede8df906ce18137c4fe47bcfc1edc896eae1489e07c582bf92471eb4d011cede4490ab79bb5f49666f58bf08b8e3ebd7a3a25fd878435fdc431c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}