{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179875",
    "entityType": "User",
    "nonce": "0x05ef51cdd63c3e37f1c331946bfc9948d87557522f1fe1f2defc70bfe419124c",
    "signature": "0x298ba7be7288780ca7f03643465fd0d41973c6f15f7d3d369a423afb7cd4eee835ff69fad43826cf0e637fe71db3dbd62978aaa0111a4b45116b06a1bed7422c1b",
    "signer": "0x87FC3581f96D45b347BB39E15f25079950C5Cc27",
    "userId": "339826419"
  }
}