{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169627",
    "entityType": "User",
    "nonce": "0xeb39a8fcfe3737f9ec4475835203ff3ba64025677ca94b9801659cde7ea79e80",
    "signature": "0x6ba6936607f0eb5479d2b2f0e94523d359194ce3cff3b6b61772feed29de534a65f1c01ec1dbe918670a38308d5f8f06d92ecd8a917f3d50ac41d5841bae40921c",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}