{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0x4aca73c04b6f285ef1feafc068440c8a8034b486b3bc8387c5a468a707d3be1e",
    "signature": "0x0658c8e181dfe0bec5e069a5d18fe100888bbedacc1f9a1a0a13618e893a3b0b74f8c9fb086f8836cab9b80667b7e7d41b3f5a53bd6bd47f75f98abecb27a2811b",
    "signer": "0xdA0eFB0e7b973C487c12501759aDb23012CB5248",
    "userId": "178070"
  }
}