{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "135887",
    "entityType": "User",
    "nonce": "0x2cf72da8c13fee77f33cfce4b407b60e4d34c1339f6259695c1e981afe206353",
    "signature": "0x773b92d89a172a2690b0216150204cb8d8d3b9300966b013bce6081ffbbe956e79ef3e91ec6a45d7514e9735f6943c0bdadc564a28c8a7830f49089bf9e873e31b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}