{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x98a5fd2679d44967ed8de31bba5e9d4784f0ea9253477cbd298e6b031de6cc06",
    "signature": "0x7f7f329c7c6700f1a8d9270b0d5bb1963f8f7fdecdb4f92a289c5536e6bee52b7ebae9333e4d54bf05eb4d1498cdd2390992043659db4ca0bcad649106e265a51b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}