{
  "manageEntity": {
    "action": "Update",
    "entityId": "631110780",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x5f84b78edbb24ac62f821fe0c7472f7ee43a9bf90647ed4151632b3fd5921cc2",
    "signature": "0x670a2d2196b3c897740c3211dbe9a2fb1c4f6014c8bddb030130e7fb8ccae685252124ae7a043388e49df5fe205c1244cb88f71a8af33a55f43fa3698d1dc25d1c",
    "signer": "0x3EA35e609478cB4F9e7203de8c4322b1272D3d9C",
    "userId": "631110780"
  }
}