{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "826653139",
    "entityType": "User",
    "nonce": "0xe8a83eacd82ff8c0c20c58e6e3303f2bbfa50481e8c30f5ff10540472c2ad89b",
    "signature": "0x606cc48f7c9a08200242c29e27c02bbdbffba1d15d79d7d7eb044c2e477a1a3527361c9a529d121127b9910d789a04ac3744ab800e53629217566684e3e03e3a1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}