{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "849312402",
    "entityType": "User",
    "nonce": "0xb7fce6b2da121cdf916397c2830cfa95aeb8a39992d13f8b78ed5ba19e6c05f0",
    "signature": "0x926bda4488d44c1d603df12debe1552cc824c1bde006077798af2ef29a8b0fc96ada52980edab96adb804aac34f7ae9fc8d9499f28de9d82875253e7b2e9b9e81c",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}