{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "887547386",
    "entityType": "User",
    "nonce": "0xf96709f6fb99d6fe688a4e86a52593f8eece97c6e39934777b79802b5ac72002",
    "signature": "0x31f537e865989a4c57455f4291c29072d0bb74f21fb055886396093a249568612332a16f6c38864ec9e5526ef34d93271e7d1cee145d385cd8f4678a7eb3db6d1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}