{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "382039",
    "entityType": "User",
    "nonce": "0x5c67bec2f7152736f1f8a18ba056661971a4193d178386287e40ac6a417f67bf",
    "signature": "0xf4dac0ba599967ceb77b4c8685904eaa73c26b9d006e6641c40829f4ff711ddc043f23376109f59124a89852b22389247679b1782b1caf5f26408205de8ce7321b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}