{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "694396632",
    "entityType": "User",
    "nonce": "0xf5d2a12dee2085a45ef05616820d007dd910136d8554c867938d0af7ad0c80f7",
    "signature": "0xb9009fa5b74d818e132e8d51741a06f0d39aed8828f7059115a6110bb0b90d2e23062efc1b9d0f868c143cf91885aecbdc588338071640057c4e762d413560ad1b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}