{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370091516",
    "entityType": "User",
    "nonce": "0xc956f16c6cc112c65e9ae8158ba7ce80079423a9c04d67c67f1a612823ed1ad7",
    "signature": "0xa2e7be0523e396fed529434030dba95c19101915a3b8abe1bcdcc2c68aec6fbd5829dd04531fca586191c9cf621d1890293bfe4e8dd1291633c83e44905f3f9e1b",
    "signer": "0xb68FB6A5ae9015De46D9634e946c04517523Fa43",
    "userId": "134619804"
  }
}