{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "165827",
    "entityType": "User",
    "nonce": "0x67df224c76c8a8068679b4d78bbafbfb5eec6d6b36afbdb3b684d959421d93a1",
    "signature": "0x715882ddeb4a9b731fa305c20883a552f5530dcca6ca7a389cc1f0a3b0071f2e7111ca36858981b1d0b315b971d133f96274582a02725c185d5ad9cc7250f9381b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}