{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "693365797",
    "entityType": "User",
    "nonce": "0xbd2222ff9e04aa4493aaa90451593aee7d75233c97a53babbf30e0f2c2d6209b",
    "signature": "0x0de81722f3b83b792e5dbece83ad3ccf9b11832a9cf3c05ca59a653de25dce1c481c1a2bb9cd940fb8e9545be4396001f705dd41592f278420a69cd7fc865f311c",
    "signer": "0x56e1A1DA7e462EAb52B3A45f6605f1bbfe0D1858",
    "userId": "301637"
  }
}