{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "735980234",
    "entityType": "User",
    "nonce": "0x45f57e1d40aa4520aecf0040f2c19ee8ff5f014756d86c8f04d8e4d24ac105f2",
    "signature": "0xf42137655fddac084ba877a1a319dd18336c3e058f4f91b5ac313dee06d262af6d3c51a4a16b092dd4428c087f2354c5bb7410ccd47a140c9eec52c43f989ed51b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}