{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "790143",
    "entityType": "User",
    "nonce": "0x58fd60839f7c1cc092a1f648bccda007abaa40e4ccb13d14f8467a65c4ab9fc4",
    "signature": "0x4e539b9eda0da8773ce25bc8a9f893ec242de4275bcdbe40d452d5419de28c156fa1083939ce12b91c8414f8c8c1a5c5cc1e14c0ce122a2e6fdbed55adcd8b101b",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}