{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832487273",
    "entityType": "User",
    "nonce": "0xe064a4be53c3b9d009363ac53c5f4dfca6e05d4f6142d88f46d3c2136cfa171f",
    "signature": "0x9aa6c82d9c8b74812a1d500ea08e0e19b522f7f952ae62e394a6f872bd9af1c326dde0bd3fdd226373f3163aa2610ee5e6a5e532bd4b8696082346c0faf6e2d81c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}