{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "838777725",
    "entityType": "User",
    "nonce": "0x29bc26323cc44befce73f9448e6d5fc61513f65a213b60745a2c9af683d67a10",
    "signature": "0xff14f988b821a97aa40a71fb43fd224c20405d0a5ea0b150a6e5b57de71bf668362d85105c077bd5bc29059dbfddd5bec9cfa394fceefad8163f8bfbbee026fc1b",
    "signer": "0x2CD314789C9583D12b6F54862F9E2cf505880Ad9",
    "userId": "354640"
  }
}