{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "987024554",
    "entityType": "User",
    "nonce": "0xeb360c2ad7e719efcbb1b17abecdeba9693ead7071025397ef4d24207478e559",
    "signature": "0xa06b639887c63fa1283f020f1ddb2001888806bbe15a58e79e7e2c19578fc800683358801710ff5f971c6fea6839535daa804ca4d448800f1ca4474720341a4e1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}