{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x803d75a4d400c0ec02146f33481c6f34f0ce762916c4adc7927525e32ac12685",
    "signature": "0x68673189b9ac5edb16e3b476f28d2cdb68418c7ad8340168a3a393dd328019e57589783fb1828ba6df403588360241990d24856cbd58bb39315c6be358d924121c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}