{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141136",
    "entityType": "User",
    "nonce": "0xd971ca6b2abd5ce34c60699ce369f4295631f562257da79e4a1c63bf80e03856",
    "signature": "0x6527a7a97976b989e22323695459124dd0759a62a1512e3c43f58d61d7c66b5e4548f203fe1fb380a98b2d911e545033226076d896216071652cc192ebb4f4961b",
    "signer": "0x1BF18676e3272039E0bF8f2a021954D13cC10a6F",
    "userId": "839909525"
  }
}