{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xedb2eb7e8a4b782570b7886e3e216524a12422b9\"}",
    "nonce": "0x560730cc3731c4b909cd8483621c5348119844dd87e279237a94930237ecb07e",
    "signature": "0x81e1b8d367d6a20cc0ea100ae6f4f54955514ca2146d0274751fe17a98c0eabd01f4f75a586701ac5d1ec77e0f57cf5d51dbb37b84c4f86ef3b6375abcfbdbad1b",
    "signer": "0x6687B667182cfdc5646f5AEB14a9945c9b1d3A6B",
    "userId": "455272301"
  }
}