{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "164789",
    "entityType": "User",
    "nonce": "0xec19041df3637ed57eef9596dc818deea172eb6782da907c71bcdfb997cafcf7",
    "signature": "0x0343222a4bf670f812a2ba4f9c55a9bdb854848d0d8e25c051dbdccff2cc04ea4819ec68fe479b580cfc53e4a6151c3698e930fcc774549bf7d897eaeb3fc4f41c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}