{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3460605",
    "entityType": "User",
    "nonce": "0x05f0bba5a9cdd2ce1bda76baaf7f309c017240d94ae05c2661c8607f986d024c",
    "signature": "0x39d976cc46fc62782aa7c52e3ae609e6607a241f3662311d82c2870aa1819698140fce67330b107f78b10693c178b538c280622d6f8c1cd97402864b603dba6b1b",
    "signer": "0xeFC9B78A20535768B9d5BCd2702b853bd5C0789c",
    "userId": "333246"
  }
}