{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5ed3f18190c76badfb14e0e75cd112812055440a0dd81f040732f3976ceb3968",
    "signature": "0xe3f42b9f522e29f42336ce6026e4ccfc96a0b114ccd56e2489641fa8d85fbdba47b6d47247d2795d00200d2a4b2c189afa9b3c37d950ac9c4232fb62dad731cf1b",
    "signer": "0xC2846E096A889428a0dEf578e09ebE9468cDd43d",
    "userId": "175876257"
  }
}