{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "770772996",
    "entityType": "User",
    "nonce": "0xe8e9538981d8f315a5d809ed7d65f47e01314403c7435bbb0f8d36bbf9188639",
    "signature": "0xdab7365584e78e30a396a17f793d395740cf8b2d42c20c2261dae7a8d3467310781d7f59d6223b7240771ddde478abe24dcb7e3228ec37f939b473784fd27ec51b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}