{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x99cb95d6940953029c0ffd6339a11055b1dda03e6d39ccda375748dbd705b374",
    "signature": "0xb673d3f0d8c9a8ee9066894250dc3d5b73ee615107c680f413c13b1997cd172a1ee36f1af43b60f835979668fbb670dc3635014e0d27104324e6f23e752298201b",
    "signer": "0x11757E27DAeB8C8A83e4810189D1A5DcD26895f1",
    "userId": "736815309"
  }
}