{
  "manageEntity": {
    "action": "Update",
    "entityId": "735370085",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xbba47c9c2d49635e6b88428901e227fcd2022a5a67f96287cdfc83e12757c395",
    "signature": "0x354ebf07c288aae487698e3a4a1ac9c67044767ebde2f82dae648aaf582ba85176a956c5cca9567b879721ed4f2749df66c4fe60bc22611c8f7e40b852f7469a1b",
    "signer": "0xB7388Be57Df408aCE9805ea57936324B438ba7C5",
    "userId": "735370085"
  }
}