{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x56ddc860017b56e0c96cc7bcdcf7ab8331989a87c0a6a80c2acb28566709d07b",
    "signature": "0xb647b82e03365dfa7197a01e82d0ac7bcf20a09290a40a743b1522c8d1bcd01341100ee959365e7f6e8f2e0fed0f5327c2a3cdf1f55d88c2debb9dfb5e486d041c",
    "signer": "0xF116a8635024B33644DF0CC03eE326bAE67773b3",
    "userId": "569557247"
  }
}