{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177711",
    "entityType": "User",
    "nonce": "0xedac5c9647a38e537fb4aeabd328dd880050cf1659d92a3987844b7ef24711eb",
    "signature": "0x6d0e2e484d0ef186f5fb9810536951dcaa7f0db26d7d603c309f827e8d243edf37bae3335c8e4a09f8299c6e45ee0c134fdb8b7ebf925abf7e2c2b8b9bfcdee41b",
    "signer": "0xFEa2c41d314209186e519b7539c0FcBDa1F9f00C",
    "userId": "51657002"
  }
}