{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "158623",
    "entityType": "User",
    "nonce": "0xc36f9131f04fc7b3cbb30869eb166f415cb00a64a9c0aea4cd31481bb0f01587",
    "signature": "0xefc30f4f8dd539c901f0f9698799cd6d70284e926fde47e9d83794727230ed08046d751b6d0538c1ae1064e073c44c206a7e4d69937ff96828091224c55e923e1b",
    "signer": "0x9db84b5af18534d8Ee180c90E1377f813B5Ec313",
    "userId": "741417198"
  }
}