{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954705651",
    "entityType": "User",
    "nonce": "0x0ece879935806c0ae3a297a998e5c924aea917f24ff13268cd41fcb11b4ea0a8",
    "signature": "0x6f6238508e73f38becff143e2ebb502a992655e718271f2eb58d66684f55419504c9b1ce023d8c161dcdf225150d22fc0d1810c3ca72ca2e86376abaed3a8c201c",
    "signer": "0x0e59dC723E2Db3288f2dCA66D897A9960d342b8b",
    "userId": "680088579"
  }
}