{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "184941",
    "entityType": "User",
    "nonce": "0x67d81ed416f672e4e1580cf30882c281851cfa8684a1cc6d702ad446836a35c3",
    "signature": "0xf1346a89d8ac184fd37e941cd5a1088af8e062ad468fb4f11cd514cb3bdb6494022bfda0c212413c4bfacf3fa8b4fb5823861d317cf17bfedab64198ab8c5cf11b",
    "signer": "0x7e9720d8C73bd719B01E9408E15C2884254beC2a",
    "userId": "234846549"
  }
}