{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x74f61bb98f0fb27d34065bbf011c36e47921e6e34ae551644925ae7f986c0a9f",
    "signature": "0xb4fedd2862552d4a2a24e54358c6bb1e9249a09ca90dcbde43a51d2f83f1aa135b3f664a8ea2ce1de3b2e361b57ca02737f452db3851ac21550bf57d9c13f9c01c",
    "signer": "0x0Fef09961A7A7B365F65e57664b90aE538b2Aa06",
    "userId": "355415323"
  }
}