{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83745",
    "entityType": "User",
    "nonce": "0x04c5db4ebc0a08d502f965c6addd477f80b5ced33b7d841be86f2463dbcb77db",
    "signature": "0xccbc39e3e94661480af50ece7bc8ec622d2773dbdaf7e05244ae4345b646898b7da5004acc2eae0fdbd272941ba453e53d92ad67f3a2be1d7d5b2d1069b63ac21b",
    "signer": "0x5823e56644991c5f5f29870830175996Edb011c0",
    "userId": "433764837"
  }
}