{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x7f30e9dad44c2fd20577e42d0e24af6bb90506eb0359d0f3c5a4fcf95b64b541",
    "signature": "0x355111d5ba56e532ad8dbe134b5893e0bd6ad0a1f60b9950ad32e0e50bbc8e2d05cef415713afd679bbcded2669bddd5ddb4f135af16200dfd706ecb652a16c61c",
    "signer": "0xB62230DdF7D78939441B62B04DDaA9B52df891f0",
    "userId": "589053621"
  }
}