{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "212429",
    "entityType": "User",
    "nonce": "0xd73fc3a16ca5e4e06ead843e5fd3d1ef5c07a53d4363355cb8b9d37db64ef1d7",
    "signature": "0x8c9ed60bf2a57e440d18c02d2210262a047be22fa95c893df3968a560237fba07d6c951f67756ae06ff54baaffe86aefc5420d195067d86cec825debab6b2f751b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}