{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986558952",
    "entityType": "User",
    "nonce": "0x53730410b5927fc25308f199310908e0150d386361a5145c04b0ba19d7e331a8",
    "signature": "0x9f84297213b1b4871c95fe05ff1d53a6254f6e954b7af1aab55310c0c98408550971e39415d300bbf20b6c637966ad96ba9b5dd51a37a1f7b2ead1b5905c2e8d1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}