{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76829893",
    "entityType": "User",
    "nonce": "0x1b4d6eb2749e3ca05b7a1a8f8c084bdc57d8cd9f266c8b5b1dd57dc5fffe9688",
    "signature": "0x2ff87aaad9df660177735c411744ecf3bd592f54d94d9144314d4ae0ec63b12274117bf4b3715cc5a29782a1d97aa6e69b2c29daf5095a0ea91d7b68cd45ca9c1c",
    "signer": "0xC56E1ccbA93c1E645e5F27Bf8A5ca13eB7A5eEbe",
    "userId": "335878078"
  }
}