{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "759343",
    "entityType": "User",
    "nonce": "0x0893959fd3a2c4978c0f51131b0b5b916932bb560f551a68d5ad0630f9209ed2",
    "signature": "0xf5cb791a4adec977de0c7fdb7a890d74dd6ff0f661213bc95ce282a1301f7d70231368f05473f96e60aec251e70d47ecea093429278b3e41d70efdc81c862ee11b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}