{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x7a7406c0680d749df40eb706561d7d22d4f2f76c624f6b65941f192d15c8e6dd",
    "signature": "0x967a38e59252553fba1b0941a453083cca5902cd8676fa8d09bc1097b51dff13501836bfad360875af6a6c0f09fe18af521ea117db29cccd896054b04f630eef1c",
    "signer": "0x9ca9205Cbe9f6A668E1bABC428D0A55c22E73e38",
    "userId": "358372643"
  }
}