{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "806873848",
    "entityType": "User",
    "nonce": "0x2c8fa5e08ce1c45184794fda701c900c2059e4d30072c4a62bf2a8e53671d15c",
    "signature": "0x1b9e2b9000f6a9ee965a6a217672cb7c0063e922be4e72b72536b92dafb6fce61e5d16d0c96471f83c9805651645f6466f6f74655c01e842c83653567ea73acc1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}