{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "238779",
    "entityType": "User",
    "nonce": "0x7a99689a07e363e92e3d800527784d4a4460c9f41ac5f6c70f820b991f4a2571",
    "signature": "0x4f3e5c7764455636f97eb74e2e4feeaf688b072ab19019698431d529fd65404b0f8499a814fd15accf4c6be99844473678b80301b87517bd0915c55d4f065b7d1c",
    "signer": "0x80005E1c5cb88Fd03a994eC8a06eFD4c801102D7",
    "userId": "225974748"
  }
}