{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203752",
    "entityType": "User",
    "nonce": "0xb4ed6dc5778294db04c2818dfc3c2b7cda439494e96cf28349bb9fe25da24f40",
    "signature": "0xc3ea74398d4e262475eb94ee2fa6d88d47b7c3fa8d4dcb7257460b75304dcee6128d8565da7fae006634a15b0c77af5e64d5ab4db4263be2d5f7865cb5c9484b1c",
    "signer": "0x6bbE8Ba8276834DECf4c0d3460707A86b8e263b4",
    "userId": "248785756"
  }
}