{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x3b4b9e75c35aa65b6155168b9ee00835899f55d1329f9d4153a8e78f23aa7239",
    "signature": "0x41347ebd9422e767f94cb9b7a55a77046db69930f39573c9033e14db213786a82daa12cdc19db16c412f3c391e8fbbbaa6573c2b22a669bd9d94fab28b89ad161b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}