{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "113",
    "entityType": "User",
    "nonce": "0xe820e387a4d2c4640a97c4f92578f64405650a2b6961a61791f5e238615c77ff",
    "signature": "0x92b8f0c9c5e0bfe6de28954406791e5a80ab9442f157f0c10be4c9546e09b6216cef31701906ab526a92782431b778f76187b8c55c8dd7b261f604190c74d3581b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}