{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "670307808",
    "entityType": "User",
    "nonce": "0xb171bb6d0c3f5864f9cb109cee7c3882463767e28539b7d7f09dbdcb1ef0b843",
    "signature": "0x379bf18deac14e7c9ad42c4a3aadc44229f553f5a10bee05ef53035fa007ac7a389af22e7fdfb640779fb0214dd535588f93f4c80e6cd1bd7d0720affd7a20371b",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}