{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x8a35ecc39c68357f69a430c87bbbdd78c1e48b5d978cb6ace6cf683b5fd72369",
    "signature": "0x0590615713549b34e07f1dca940b9a0cef401052da5b715697b5f59f2f3b16fd700e671556bdf0db06b5c46686577bcf7f413e89d3fed94e1c2f24f4607d71531c",
    "signer": "0xfE7C216084708d264C27f5143f6843bD96fd900f",
    "userId": "147230705"
  }
}