{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "189818",
    "entityType": "User",
    "nonce": "0x3d223bc41fc8035c8fddb852dad973286123adb1850c7788f1dd3dcab19c669a",
    "signature": "0x61bf664c76b1bef72a03608a2ebc3aacdbc8e15cc9c4cfba69d55317215ceffb5aa33c9399b1d03cf5c4eebae217cb806ddc6782f5e09da6f0cd306b8aed3b171c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}