{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "696716320",
    "entityType": "User",
    "nonce": "0x54839853585e57ad0d6e65499e8ec409edeb0c2ccc68e5cd7a6ef79874a6fed7",
    "signature": "0x6c131efede405c7e387902fa118e3e920083500c1f03099fc8d07acb9fbaf8b75684d6dd2976560855f2b80b5f343578faf2b8442300e7bc69bbaa1acccfb13c1b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}