{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28850",
    "entityType": "User",
    "nonce": "0x5ac293e0d241908209438c63b6597d14327907324a4ad32df377f9efece507af",
    "signature": "0x8cb75ab533b77cf28a4649d18055f8e7034da4a51df0f07ae75eba13875c84db0c9260f48712796d29d409339e8299faa7d47495eac1006031e112809c7fae0d1c",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}