{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0xa283c7b093797ac5645ff45001c8a42dc0b281a5889c1f15c5a409216e4cb205",
    "signature": "0xfab24bc7fdea7d6b45a854284632eb17a45c89df7d9fbbf2671437fa5395d09a1798008c228bc88c12a1cc6c6974f6f3f94cb3b02f0e8455f6c6d16ba4ece7fd1c",
    "signer": "0x9f8446293032cc1FCA53C93Db6dB099546Fb690F",
    "userId": "419600894"
  }
}