{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd977390e47fdfad915cfd197c62c2a88d02a5af5b1c58a3abd2519e6cc40ce0e",
    "signature": "0x969805a575d157a31673a5e2cace76fb04959183769c6b73f7ac66c0c1ec276d26b11d9c6f5664e62be2f28ce17453d4b36e2e86b189a3e15c6f6e249380b5751b",
    "signer": "0x652c6a5316E459Be2377aB62927DfB183af3a142",
    "userId": "182736946"
  }
}