{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x75e4a7411eb77a535a22dce1f434ed60990df9029d4a889475a5bc5d9873bc06",
    "signature": "0x7144ea5e1cc0c4b6f5f37dd27e8e7ae3826c3e2fea89b9f6b090c26d94b706507b453cab4961c7dc152b15117ac5d46cdb39ba7d0c335062640ca87df2550c531b",
    "signer": "0x7EB9BADbB225C61Feb02f1C6E9FDf3Ee544E8b2e",
    "userId": "741012897"
  }
}