{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "240171275",
    "entityType": "User",
    "nonce": "0x7b27ecce23121b4d7822df085fe800465bc94c38a69988c7a1dba3684c4fd2e7",
    "signature": "0x01041647b307199c25880670f40574189f7ee7399d9c264be2676a1d36a6f3f87e3c164b67946807a032f65dd6297a9bb6df4927421571264d5163627f0b6d4d1b",
    "signer": "0x0168976438910D2f5330323a0d0141Fb4Af95032",
    "userId": "317847"
  }
}