{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "178055",
    "entityType": "User",
    "nonce": "0xfe785f36df94cc80c41921be7f228dd40d6cbf5c6cb250c1185549f406db6375",
    "signature": "0x9914c2b03519efef631e2f2c8718f6ec7ee49f067a0506db1b8b72640693ce3579c727d22ab9e12bdcf0d90bfb1c7a0609077daa048553b7f4c963c573491a161c",
    "signer": "0x31b9fC615314b35bfCF7e568c00b43D108cfb57f",
    "userId": "867332238"
  }
}