{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112017",
    "entityType": "User",
    "nonce": "0x3a2b5738e2080b83b49e731bb7aa8ccf4bdc13ba8ff6daf877b2a029074f5447",
    "signature": "0x39a7fe8c877b72bb629fea1f6a12513cbafda94056f02c500fd4166cbf047b210da7f0fc551ddfc06f0b01fd63eb41683279bb5df25ff343d641144c5b6285031c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}