{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348015",
    "entityType": "User",
    "nonce": "0x5ab537d73d2a0e1ea20a00e7cef06d22b874c06620287a1a0a6b1437e81cc797",
    "signature": "0x8d23f0de192f2166696f5fa17402cf76d1660069ddd6607f68e0c2045e0f54857e3827631fc0401b4b582ddd2644fa7410b5e6cda8258529189d9e02527e32ba1b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}