{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "154589",
    "entityType": "User",
    "nonce": "0xf5cb72b7c82a99ec38f474c5e367d1bd299b520949bc1e186bcc2b929d909547",
    "signature": "0x0e82cf6c062f30e71d5318736185321780db4e475f80f02535fda9a28c4fb27e1a2ccf13912c2f636054cd65cab6594fe701f1f404c34188c26fbe77691959f31b",
    "signer": "0x8b77d47DA28d313A2824468913d2f44F9a5B7b75",
    "userId": "808833626"
  }
}