{
  "manageEntity": {
    "action": "Update",
    "entityId": "48167987",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2f0d651f2ffccf2e3d983bb93e30a8dede844c1b2c02bbb1d6d37afe58cce722",
    "signature": "0x554b1a0887c383fbc1293dbe9cd084269b71ac40d9b3b24507ebfb6c57c15f33356a6f35080ed29f0979e4b7043b2bae35f350bb18d32301ac7449365febd9f31b",
    "signer": "0x0eAa2816D70f9dBAbE3974e29bD34cD184250Aca",
    "userId": "48167987"
  }
}