{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1966617",
    "entityType": "User",
    "nonce": "0x2adffefec092ee0cdb0527aab47fe34a4798e6f77cc5589bd3fca263a4fa8a4f",
    "signature": "0xf8ff353513572655c3dfd93818ea62aeeca8058b73edae0183f80aa9ecaeb23c036bdaf3457761a683f566c3f79f8184004d328fe74748b43d50b5c0c95189381c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}