{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x344cebfce9bdfaae540df9d4b79db8db3be91f9102517a4e07bce80c6c89193e",
    "signature": "0xc23e62cf1c994ccc5d1a3e1ad9f4e2981b0c84d99a715944c4244603386e3b2351de2a0e70436106820d6709d5ce59702ffb89b5fc89576bc6737e353b1d07fa1c",
    "signer": "0x24553E6710cCcEA327185e7C6a2d80D895Db10e8",
    "userId": "1689148"
  }
}