{
  "manageEntity": {
    "action": "Update",
    "entityId": "987093110",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x8cd47505b29a9ea8121f3f551a1659482b2a0208eed4c89e8a2087dfe148f28f",
    "signature": "0xed47c975b881873e208e0ee425fe10e0863e3f84beaeb2e7b79b0e609d6dd2133c28463c7215809d8e1742a4a42bd029053e9159596faf8b63bde1fbd8324a401c",
    "signer": "0x7EA6047F75aD2B1f2A9565f87e8340D70B773FF2",
    "userId": "987093110"
  }
}