{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdf3ca0ec68b0ac07aa19f635a4b4799ad16a10e45b1770d34fa06dcfb637d412",
    "signature": "0x4bad41ab67a27f3c64e55065857f15eff4441b4c38f7693d5e6a0ab0ce2bf25645bbe9ed1f3a9fff834db747adfea568a743f1f004973eb0f282d7a8671597381c",
    "signer": "0xfe35D684b147C8245614c924bc9fb68A6B5E4116",
    "userId": "994921318"
  }
}