{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136466",
    "entityType": "User",
    "nonce": "0x74de3691d4fd31c6b3a0d094802800884380a90a151f8e7241afceaaad517e96",
    "signature": "0xf4ae706b65b393c0c6c1353c33b8cc60191047c3164bff6bda0df15604f13283555443d05d343e6f77d8c430382b78cd3c5f995b87de980c8ad38d02ff6daea11b",
    "signer": "0x57952fe23FC9B280A92679ADf900A4eB42305B07",
    "userId": "58414846"
  }
}