{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "243955",
    "entityType": "User",
    "nonce": "0xb722468e90106f300119df7fa85cf17593de15b91054ac2601a9583d632d5001",
    "signature": "0x739117b883400dd98901b081a4c1a67fb5ed481a1ba26077e7efbe8e09412ebc273197278b277a8c0682ceb84c7253e11a6598f2bc33877d2fbde4535ef3d1a51c",
    "signer": "0x738Fb353b57EdB4d1f33c0049D33b204243db2ad",
    "userId": "693463302"
  }
}