{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314016",
    "entityType": "User",
    "nonce": "0xc6b7ccac05a14b849aa088fd39c4b3daa57aa5c22c5a0afb2df92cab49f7a0b8",
    "signature": "0x90772b965f9f007932e2b64e6d860960525d2f5a0c239c58ac85b5a7ce217761400164370318823515b1f6d8a91eef28731207cafb1fc29bbc20bb797b55f7f61c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}