{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "318",
    "entityType": "User",
    "nonce": "0x482b2169ff0552e61dd776849e1ce535cb51860b9783e4b9d367ee82709365d4",
    "signature": "0x6fcc150f651f2697c479e997549b67617f424af9409f87393339b40d3e2cb04260d28e8063d84b8767697be89d932a364a493139d92fac468a4d630e608c2e321c",
    "signer": "0x8cAb834F826D5A147bF5434142f6D07Bc0f4978F",
    "userId": "827837269"
  }
}