{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "902557325",
    "entityType": "User",
    "nonce": "0x09b6e24fe46407e483035d9fa19ac64eb912abd195de17afe4edc4b21cc11326",
    "signature": "0x80e8374d0779584481cf2336b9eb8c131c295ee831842c883b90538d94b48d671872da2ddd0488bd71167d098325738babb472c9c472bf00dca49d90426ab5611b",
    "signer": "0xf0cFA206b9d4522724e13fb1B9Aa62e31122e1fc",
    "userId": "222289659"
  }
}