{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101876",
    "entityType": "User",
    "nonce": "0x7799ea9cd48259c6392a67534f040bd1531098413e178519ede79cc3a7720fd7",
    "signature": "0xb9b4f0071ab63349f15425aea3146cf59cca4de466551a7114dffb142c537bd41613e2fc084beb01b83039914edd48121eaffb9a33e76723b04652e3ada196cf1c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}