{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136844578",
    "entityType": "User",
    "nonce": "0xb38486ad00883b4e557dd6472bc7dcb3edef19eba4cb7476576c8fc33dc14ac0",
    "signature": "0x661a57c64ea2f787f7a9559e8efc3212d39ac7e3fc459971fbe4f3fd756bc0ac109ebd08ac2105a9ce36e9f6d115496bd644a49292f8f3b697f41e1e07f9bd501c",
    "signer": "0xCb7Aa833f2E005981510243B801a59e2845966ec",
    "userId": "129166385"
  }
}