{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xe7dbdefcfc8c25c31c32d2b13e0b6ef319252b2bce3536747eac5b9976e9b72b",
    "signature": "0x5219c53ca9d3d68a55ffe97c5b1a9f05007806fa3e12ffffa95e57aaa781cdfc61952d4bdc33695ecf69e1d6237ae495ef8a5cb6b471e0be071feb0c8fa899191c",
    "signer": "0xA27B00F57fC7B3E81c4d7C4919aCec97E1fCf667",
    "userId": "329513359"
  }
}