{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "912588066",
    "entityType": "User",
    "nonce": "0x32420e5a1ac6aa9dfa8c9c2e875f6c522581f9d9a1669a1ba284b30f6bfb5979",
    "signature": "0x0957107631599cbddcc51add972ee40c7755047b7be5c7b48e1f4eac8ea2aea93e61856e60b8e55a5531a1f4bac6307dbc086a0eeccabc07c4d12c6be39bda331c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}