{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8394",
    "entityType": "User",
    "nonce": "0x7c519f4c64a1630b9227c24974251823f95e2768c6edf1830b25e13b134ef2ca",
    "signature": "0x8acd3bcb1ab39300f3a6bd590579898bc3d0b60b1afc2111e27b324feb8b15fd15756c0934d8a29e535cc9c2dea6616506dd90a206abcb47617803da7f00b6201b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}