{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x3bcca459f1e9847893230346b564d1ee0749deca43d840669cf92b970bde0fc3",
    "signature": "0xd1ab878e00522348670e766a654521949eb8908ef20fdcb023bca79b814cdc127be0e7a758a5386c481ea680af85e2e76632d7f7d2d51a3d44e4cc211e9c556d1c",
    "signer": "0x79491De969d390e4363fa3174581B0F5b81EA1a8",
    "userId": "564232030"
  }
}