{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "805358375",
    "entityType": "User",
    "nonce": "0xacd0e41ed9ffc9142d76e9aaf814f3122ef66314179798f4c9e72db0ced6d924",
    "signature": "0xa0ae1f8ce4fb7f4f721e2a77feab1ec7747678e4597414e5fab142d8c0826e87043d8a1a9d817295bed689ad830c9b1d29dd936a0c1ea2a4b4a2e30f2a8be1631b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}