{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x498f7e22a3c0f6a29a275b70911ad99b3375404408447f13c6385ce915f0b7e6",
    "signature": "0xa80eb9ad0a1ee6871f036f30d3a61529ce74c293e7be4bb0de450e9d7d99a0b075da48b0752f757cd9f0ac2dc411daca7765f2c4794aac2feb414129b55cae571b",
    "signer": "0xc793e720C73d292e4fFF098db22d08ceC476710D",
    "userId": "780060168"
  }
}