{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd2b32e2efd4f35dd4ce3a8b4f4d312212335a03a2a96b9ff440e6821b9243267",
    "signature": "0xcdafc96c3693b8074c6233776894face3ad3c893461e652140224c02b0aa944608168fd8152f8f69fc2966d83b40909254a54601bed215f4ae2c4d9443b0a4e21c",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}