{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "432403592",
    "entityType": "User",
    "nonce": "0x80ae339c141d890413c989e43f40399d17d1ad4a3fc4e6feedde1380a7b7a94b",
    "signature": "0xd490642d30712becfd9e47c719a198667aac5791db9b8a92d4b829fdab3a55c120fd0b5d97305749fdd72db046718b7cce959b50437224cf002b941af78cfe6a1b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}