{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xd25c9eaf5e28cfa37a334bde77833a079c24680e\"}",
    "nonce": "0xa89297361ce8aadafd950be9044dbdf0486f9acabe3c4bf688b0d936bb85137b",
    "signature": "0xb5575c0c3b646e4f97a42afcc3081d69a59c290d53813abf5351b57eb39063b44829ad5ec0c41f0dceb94e496bbd22e3bd1033bdb5d331f9494549e8d094b1471b",
    "signer": "0x1A5cB4b9873Dfc0E09ba10B4f4fCE881625d03aE",
    "userId": "702464221"
  }
}