{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe10e1b6ea55f8c3605785b2d392a22e65fc4a44ea395e0ea2bb3e673a76cf130",
    "signature": "0x0c0494269625396bbb37bd5a716a5dff92f7b7367caf513748c521e6c089fa181f181d4ad8d3e1adacd23cea7ab3d5de081ea8317b9b3003e8ced7c22dbfe5781b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}