{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x922cb2ae695da9f7dd0e556954c23eeeb8bffe0e\"}",
    "nonce": "0xf3d1a80de22dd8f933fd466fdbfd3349a9afa000041a9245345d3b968d10102c",
    "signature": "0x10d7f2227375ff97e226dbdae92f524656e7d1261111846e6deeb28d32b539585ec246934296cf7c2040da2ebe144e39feff644382bde7d06cad222aefe50e8f1b",
    "signer": "0x29995184e6260Ff68195C15c01f2564f6A124F0a",
    "userId": "361199886"
  }
}