{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82478",
    "entityType": "User",
    "nonce": "0x3023494a8ce3cbd905fab299171d3a2ee128b98b0b5a178bc042bc7b535444e9",
    "signature": "0xc3c43ec8f964dd80e5031358a1af4acf859517f36c75b868b3bae4997b9125c040233e9bcbfa5ab7ae4ea8b6073cb6207b62c56dea5ef034ad080ee5494e0cef1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}