{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8b99d88c31919f61fb11dc386112dbe130ddd34685b0bc0f082bc6c0608701d2",
    "signature": "0x42259a98796b0a5735210f9c2d22ba2361a12a1f9791998911b88636007d0fd92c0d83c75c09d8ce59422759b4dd1c013f1dbfa1c993fd4b4103eebedef72a7a1c",
    "signer": "0x179417150791462a2c68d53EcB8cE3e9E82Dd0A8",
    "userId": "786632152"
  }
}