{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112217",
    "entityType": "User",
    "nonce": "0x19cd2aa9ff73968f8dd2c817bb633b55f449f9746539e4c8e4c7d421afb85b24",
    "signature": "0xe4a50f65411ed54587bd88ff51db71cae428d05f9f979b15bc740d362a968e5733d58de6298e79f0bc5757139cc13fa0b1b02c1c474753dcdf2731f5055440dd1b",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}