{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "892670088",
    "entityType": "User",
    "nonce": "0xaf150ac4a410de13e3548e817ba76bb891ec2a20e50e88adac6f70fc5000ca15",
    "signature": "0x7b82305ed691a2214a376f1f015694e8abf33ffeda2b2327956327af393eedc414eeb5cc9ee3053323ae040800fb3e925066566ad9f0b283839b321bad9c81581b",
    "signer": "0x11cd379D12F9a2c7BAaE2f74F1914A8c50faF2c3",
    "userId": "387949683"
  }
}