{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108701",
    "entityType": "User",
    "nonce": "0xa608f4ce9d2adb794a06091934dfeb12a1647144f639ad27d34da8f6f821b565",
    "signature": "0xe99f8c1ed1b5aa9c50189c6cf97454013e04611994940b15117748677e7fd24e24a8c81ef4ee4321b5e098eb814a37a5a3f1d140e6a075ad864e537237de28e01c",
    "signer": "0xDc9E6086716d1ed5Ccbb7144C00E93f86Cc9Fb26",
    "userId": "436039881"
  }
}