{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x29a210c7f70a16a865318b0850541500c307faad93db3c5f635547a06b488cf0",
    "signature": "0xa1a8111fb8437a3c00b4caf72f88727ab081333de581f4b83c5462b1760cda272745d6ee44b4c3f3121dd2462be8ca10d109d5f56cd05be3e858369b10c5c26c1b",
    "signer": "0xEDEf7E9E6922acF9288851AE61045BE30f4158A8",
    "userId": "354048659"
  }
}