{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "694462",
    "entityType": "User",
    "nonce": "0x4d9b2a4a421dada4177f9f00f5047433426cbd638a7b2df3c0228722f16ac4e7",
    "signature": "0x10eee3fcd34bfb320aa098febac33a24b4c8b92ec71343295908c81a312103b271670b00e05bf5f434ef82cc530cd8614abed9bd6c24b2ababea02cc0e0308d21c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}