{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x1231d68bf1997c0c39191fd60918fd3b4e0018d0d2d3bb0bda1277eab35eba12",
    "signature": "0x5775b4926f8789d3cb2528e88b57cd33e4a8d463ffa521897fccc1b2b933f4fb360129a3c53d04a98cd44476ee3b17e440d562e21aeff71afc49c513bff77d151c",
    "signer": "0xe3B06Ff4CD40aF404C9FebBdb589bf222461E902",
    "userId": "674028956"
  }
}