{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30763",
    "entityType": "User",
    "nonce": "0xf739622914e2c2fab67cddd7330168a87660a95a4890d78b7999aa8f1b35094a",
    "signature": "0x36220fde34b636aa90fbc4b1b8f2dcaf99394954585bb34000abcb40999d4f8b0cc2de61d6736980c2adc182500c78ae6ea74dfeae7cbd3481916145331aef781c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}