{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "949295002",
    "entityType": "User",
    "nonce": "0x6ba37a1dcd4d250a6047254c20c5b3dd4b98295e25c9ada08ee17e707a91965d",
    "signature": "0xe6d97da7fb3510e49ce8186ac6bdd8fd65230de1cdfc1feafdbf93249c42d37628c07b7f864dfcad4cc7b398eeb04d6f76346c5a8de118853568b85452c47da11b",
    "signer": "0x41E0D919F5E5E950b3646cc2545AB0d2c70af998",
    "userId": "962472503"
  }
}