{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0xa7a0b7e02ead5880f43d4f374d083330f9a09910fa3084617e3bf30fed4de037",
    "signature": "0x894b3cdfe6616efa76f0ff7360c327a8ea6121dbee51d3c1aa3d5fa88effcc184d7719c60038f3a6facce598b6a82f85d31e09834e229f8e826840bf714a08961b",
    "signer": "0x27eB4b469aE053b72c26B3e9c68a655390Fe24fB",
    "userId": "42216"
  }
}