{
  "manageEntity": {
    "action": "Approve",
    "entityType": "Grant",
    "metadata": "{\"grantor_user_id\":1389486}",
    "nonce": "0x01cd7dc52975dac53b1069e7bb419254f5a122ceef7fb79bc93dae3218f72371",
    "signature": "0x7a2c47060567b1fb5a64df453b361e71d0cf126db0ba321f673b08d2284156134233a1722d740b923b99b79a89ecc9141ad4ed975d243b130720c128a1a69d731c",
    "signer": "0x593095CdF6998387B0c1bd237B5e2e1f5022C99a",
    "userId": "77401"
  }
}