{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xbffeeb3088afc9b8972db692d4ded477cf4089210f2f3ebe3e64dc4ceb7c3d7b",
    "signature": "0x18ff47c6f2f2e1de4f46d4b208ab98716e2c671d3a069ccaa86bca0783164e25675fe0e86fbfe44d3d59de61efd172536b13ba419f5b4a022df2cfc67c87b0011b",
    "signer": "0x167aD294a241E2c427BE5905723b00f5dd49763D",
    "userId": "834046688"
  }
}