{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364447",
    "entityType": "User",
    "nonce": "0x09ad4ddc3b260584e6cc76488031daefdf8dca94fc79e0d6c98727a52fe83689",
    "signature": "0xcd3737a7f40dff1d993dd7e6d293f547e1e060d9bb1f083ad75c9d8d22a13bad41bddcc6d46e7f944ca8d9655dfdb868c278029bb501ca25b4e172d766e7c96f1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}