{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x236f55b3dc54b7d4cef96008327209ead53cb157db00a875c1c9654c2cb1b453",
    "signature": "0x17806ccf375011af063ea925321d193e9602efca6f4d0394939c08866f928ae20742e3b5ed8abc141fc5a8d1965f3e68bcf675e6d8c8cde03436d07b283cf60b1b",
    "signer": "0x2847C8DDFF52c224F1F692366DBf781A1D1a34F8",
    "userId": "217110"
  }
}