{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "167557",
    "entityType": "User",
    "nonce": "0xa55de5eb619a675ee94d1fe7be8f751b7f3f05be39904a75da8d858dfd8d5ad4",
    "signature": "0x3f893be506dab4503380b5fd9b5c91aa960311c829f7060669ab411c976745587494c806744fd70c20cfb48d30881dc95da9f10bdcd0f97fcdcba4426803c4941b",
    "signer": "0x1788E4C39d3326e598F16767C69826869594E359",
    "userId": "116504833"
  }
}