{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x69bdc865e834c0f77b16328d7cd8ce4e54ccf75aa4f4eb60242c56cb1832800f",
    "signature": "0xf89e54e78688512ecfdd03e874363c40ccc5b4caf825a11107a4dac37a9552b2271292a0e1f91f222f881b148ebf3d6606f779823c991b67d64f660114449f541b",
    "signer": "0x6B2878936294DCEfb186B0793a0bA1b40d6CeE1a",
    "userId": "600177076"
  }
}