{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x723abbff7e8b83bdbbb797805b9f0bb00b366604eec4b84235a30f07364c6f3a",
    "signature": "0xc428e313a798b8dbceb58117d84fb214f1c392fcf152d081f318a3f73c1a7f775f21cb73b374834e2f9cc7cec1c0bfc5d2e6e9c5b35e83aaf88e5df678d4b65c1c",
    "signer": "0xBa39a1B9C2A30Ab1FAfa33cF54BF03e443abad57",
    "userId": "348773042"
  }
}