{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x385b52cc4a70a1f12ce8de8a60b1a4418ceef3cc8ed30b903301433a4ffd7cb7",
    "signature": "0x432c5dcbf743a8bdf753c3d5d631ed0095339b28b85dd1b911bc07b8a80a739f6f2f15bd84b21ac370d4cab63141dac0776024c359b698f8ceed1bbe49082a521c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}