{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18281",
    "entityType": "User",
    "nonce": "0xc84fefa103bbbbf31785817ec09f61070ff719db1961e22e49274b671a04f87e",
    "signature": "0xbb76a0dfe60afafe81f008c6a9a96f6712f12a972f29f2b385d5dd61803524b83346fca24ac9215d26cb92c66e14fd8e020f82371126c6bfcb54a7efc92765ce1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}