{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "229273",
    "entityType": "User",
    "nonce": "0x4b06b9910e0eb3342e760d919e9a16179020af3b006d9119a38f8e318650c539",
    "signature": "0x2844a21ed82cb3ee0263abf83949ccd4c4933ecf33bc57e655fcc3644ab99b995fcad3b5892afeae5d167e95a6bc148eb3a81d80895e662d3d2270da290a7b301b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}