{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327435",
    "entityType": "User",
    "nonce": "0xa95944d4831c9cf90e3f0ce293df50f9ee5a620885b352a948ba409b39298741",
    "signature": "0x73d77a69f039b66d7a448f558255eaf7586de7c9d4156db2299a1dd08c6c562026a83e89d2934738df973068b18e8a187038054f1d8ec573a9248b786e16192c1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}