{
  "manageEntity": {
    "action": "Update",
    "entityId": "115872461",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc09bc406808d2d5bfbc45323937424d78482c451aa884d0267b718b44d42afd8",
    "signature": "0x20ebdb1c118327f5c7abf95c996749495c812f5486d5cbb6dad283b59caf61682a2aaee750eeafbe4856fb184d4faa4efc9cf756e0c1e4b35a6a704e7c7c86df1c",
    "signer": "0x9a63Ebc85E0f359a0248EC5504ea1b93E25899Df",
    "userId": "115872461"
  }
}