{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1315435",
    "entityType": "User",
    "nonce": "0x65f2e8a4f5a5a4f5ca0a53afc144c159561ba4844dd4692b0ac3b6b37733728a",
    "signature": "0x92d42887f05c0ed51330f5e0e81c69abc10ba946ceffd9989152558492cb2a027e780c354f6e48334181db524c3c0075052cbacb1bcdf68dbbebf047ddc4813a1b",
    "signer": "0xfe6022590e48C8eA51d706EbF4eAe799214A737c",
    "userId": "900610030"
  }
}