{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "582464754",
    "entityType": "User",
    "nonce": "0xe6be0202fa616355a97d8973fa12e65ddac49c24298d90eb4cba5e35cad44000",
    "signature": "0x86609e511112a4ce29d6912797a9d1574d88ddfee7c786e021f67d2ade05ea433894db853e051cb0f2628aef4bbad94fb74bba5ddccef110239378b978bc3ccf1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}