{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48340",
    "entityType": "User",
    "nonce": "0x79b07a865c7596a5389e7502b73a47b5eb1c77e5c46f3cd7daa1584c479546be",
    "signature": "0x190b47a9cf2f6d54f1745369adfe16144dc0f6063b51e85f97c1e6c6eeb2e6b33d8e48f76c0303c8d65691947cc08270c4bd76b01e844b1b1e1e8cf372a7340b1b",
    "signer": "0x3CE226b3CA677B312E9396cc48d4008c70545091",
    "userId": "550328673"
  }
}