{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0xa43ae80a53a2517e93dadbb7ac3ecadbcd599ef9ae4a98576470352eadf2e690",
    "signature": "0x2968e27f06047b9215d246861c40c19d0f1735a90a6e98979175c4538697cece051e607e263ea27489f2cbe571794ecbcabf123aa78905d904179f5d5b11497f1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}