{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x5826113b82941207533b0f2b86c3d5f2a00c1969\"}",
    "nonce": "0xaca797ef29940e1b78f616669ba88d2fcc48ec28d6030f89d66614da1d408190",
    "signature": "0x273b901772226183f33a691eeccc21948800c7fd49d6c16bc70c8388105fa64b122be96236544f53e829456391ee2e68ee5325051054cc9e8bc1bae804af59c51b",
    "signer": "0x6687B667182cfdc5646f5AEB14a9945c9b1d3A6B",
    "userId": "693608897"
  }
}