{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "313260",
    "entityType": "User",
    "nonce": "0x4da92642f9a4079237a4c2d1f3dcccf644b8eb804e182d6120bbaa1a6f49ee95",
    "signature": "0x89d4fbc58bcb09c8adeffc4b15db3eab4f05019d9d85afabba7ba06931d6031d0b3eda855df4ee259ab4143cc3bef357d0b4b97cdc2e92e0d92bea59842814161c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}