{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x3b166b85189229d73148bcb3cb7cd8a75ecb505a0127e5ea7748dba3432dc4da",
    "signature": "0xd338332e6dd352aacf463df3b6b28367b19932e6cb2486152ca74d6cedcf3b1c3443c7532c0cd811d7f5a4da7a4799683707e7b81f317663ae537b60ad5ecdbb1c",
    "signer": "0x5Fe9be9F3B35324597BBC496F73e434241157E69",
    "userId": "695846134"
  }
}