{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "733460774",
    "entityType": "User",
    "nonce": "0xa694ec71c5a6806d4062845797868ead59cd59d4eb50d9c75969ea0eced6bb87",
    "signature": "0xc9df2e131aded61211bc1f704cd6f688218d605c6d25baac03e5d23a1464903405eadfef546cb627785db132c08d3c8a144a64b155e1291c10ebe86cc743ce051b",
    "signer": "0x148cd05E851795b6BD8A5E8D818c12360BecF2B1",
    "userId": "436176942"
  }
}