{
  "manageEntity": {
    "action": "Update",
    "entityId": "707033133",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x96650675784c042647679449f34fffb8272dc5f558180036606af5b4097b74a4",
    "signature": "0x4113395005c04636914a98ad45abf20c045f6087c04e3ba4d4fac0e1d6ebb66d32f77d703bd5a75a66b493bfc8e6579425764515a311063270e5f9b171ad085a1c",
    "signer": "0xA3a5960129b84d3A5A2EDD6B8133FEDccB3f38Fa",
    "userId": "707033133"
  }
}