{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "895527427",
    "entityType": "User",
    "nonce": "0xdd459fa64616e172c80789dc1f3dfb683ff0e1d581bb73f8dfaf3f32f676bb77",
    "signature": "0x5f639018d7c9198ccd783f0f12272543981d33ea4255cca96e6668f39fcfdf206814233f44fc3cfc0d74af29c7884221affb3d4d4eb22dfe9df993aecabb7c6e1c",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}