{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xc037ce34cb12a8bce5e545700164b443c1a9000b\"}",
    "nonce": "0xefcb246213d843f4598b2ef147d00336664e54dc5caf1f30464af203d22cb7c7",
    "signature": "0xb60d2aea8c9b1e4f11889fb4c20ee6489b265ff80af5c19dc80994026b51969821f87517f6ea5ebaaa93e5ec931771b4819fa41a1aa361a2898bc9f6ed8c61a11b",
    "signer": "0x03608d41d568130dDeb8D60C08201bDc5D5187c7",
    "userId": "140304303"
  }
}