{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "974265879",
    "entityType": "User",
    "nonce": "0x50e2882976f4f519b73f0dccab2f5082e16bfe88fd0a17d2dbb1f9341ce09ab9",
    "signature": "0xfb20f1db55205639ab1b67b07a24c1c65363848c7c3deb26cee78d9bc37f9dce31f3da35f71de4111068e89ccdaaf3fd37bbb18f2806bf4f41dfd0b24196c03d1c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}