{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x0a5ea11fc44260c390f7bb0fcd7b018fa0c1fd52ebb6ad15b9f18f8f925d9588",
    "signature": "0xf16df9f5a7558177ef99ee3b22f8557bc9d5c599959f15b63e843ee6d973dc4b15a7222947be0071890e63fcbce2f0cabce9e779e355c4e3ef00f86c5794e95e1b",
    "signer": "0x726f40f0F16B98d7ade7F77BE792B37C927Fa3eC",
    "userId": "34160671"
  }
}