{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "213759",
    "entityType": "User",
    "nonce": "0x9eab6f96816775bbb4c8d54a4bbae6e040b6081388469961d5d055ad2f6e04e7",
    "signature": "0xcf595fa46a926a5451a60f8400ca0336f0d417020e11888d1276e35e9ef45f68725a03d5648d963729c3493f1913128395f02d826b2264590a5f39f79f4afe2a1b",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}