{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370142",
    "entityType": "User",
    "nonce": "0x7b8e02827ffc58a5fbeb1857d3b9ff8a0f392e9b71a1dc370d20049f4d18766c",
    "signature": "0x9ddc8457a61f8cdea25b7e3714b113eb298c60ea4d2f630a6cf43e5da50519ab311d2771e617d0fc81d4da6fd5666e5b0edee98e757fe60add50e6314b5037cd1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}