{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0xdc727127c7a15b1960cae4adcacb4d8e1a8967a896a9cdf65f55b4926b2a6a83",
    "signature": "0x4e8954be8b4c87cb4bf19a9767d986fd777dec6a8bf4301a2f0843928e77ac2c16164eabbef213cfea82461b9b16115edb99b6dd5d0762c9c4b3a5989f1414021b",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}