{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59528",
    "entityType": "User",
    "nonce": "0x1adc1256c0c196d8adb7f15abf8b420a15e52a0dccc7b989ed1fd83b2ac2bd54",
    "signature": "0x23b32e88c856c243ab49cb0e61fb98f7d3d5d6be993d562116875fc3f713bdd545c8010a7f213c721569e5648ffde3c7969c839eddd4ee38705d5243029298aa1c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}