{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xed600f7a88f24f8c53ecfcfe3422b9f6a9422873392b2fb8a40a05c1a4921528",
    "signature": "0xb16e7025350f00e8ac86d678bfaa58566d2bdd169b64f7e7e845fe2d086e5a1457efb8a4680db56289a254828d954ae42d3066d319571efdaee4b7b76c90a7311c",
    "signer": "0xA89E32Ecf2E082BcfF6a50CAbF1c1b752B4183f3",
    "userId": "776618383"
  }
}