{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "944969758",
    "entityType": "User",
    "nonce": "0xdc6b01aeff9319339c24ad30e06c1e878e589ccb47a2bd40751e800289922a3c",
    "signature": "0x403694cb44d683ecf233eb2db9948cafced48fecd163858acc867c6bac943940583e1f1376b63b918d3280d15e14e66e1cd05d0ce505af881e6588a989eb40181c",
    "signer": "0x3256Bd2D0B1984E7df4FA525017aD9bA48470760",
    "userId": "51"
  }
}