{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787102835",
    "entityType": "User",
    "nonce": "0x4840f4975e1e679917c0fc1a95cfdf38a9484d3317435b4d5e063945de84aa7b",
    "signature": "0xfe2f5111c0cfd05c5d9c7facfa26aab6a7d290d447bca7eb93b137fda6eea5ed61dc1275d79df8009367548239dc362c814e5145783e03e852e203b8591f729d1b",
    "signer": "0xDDCce44d487ED1f7297d836241df35AAB6D867b0",
    "userId": "22610281"
  }
}