{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x74e054f062c7fcfb07c78a918520b3ad0e750cb23899aceff7dc6da12370fe38",
    "signature": "0x6608aeb2df5f50cd16a91c294680c92de755e7887e18fb6e533086c0148d1cc6513091d24c36306a8f5f4bdb6fc5acaa0b75b8f6ebfdfde5414ccc29a4ad226e1c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}