{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0xcdb8024ce91cc2038fd8145647ef41e6795292207a9cc3c10afce9881a028bdd",
    "signature": "0xeb2a0c991018d0cbdfc81c2e25c93ef13398df4416a98a37eb5baaa95d6d8c6445b3192b01e1204486517e4a0f685f0242257222c356a5c1969c3d774740a2ac1c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}