{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "81238213",
    "entityType": "User",
    "nonce": "0x07b2006215970b08b74d2332873cb9386ccf1bf1fff2e376751db0522966ab82",
    "signature": "0x4d5f88269ec95a4ab04a58052cd184d14f415de32c7b1be6c1041f637263d1cd247722ef15c24e07fdebd4be076dde1e5a68b5794a9dd864204cd9335e5115851b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}