{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0xd1c561fd2583e4b5bc2e1038c9ce9bcb4ba174c97b4941b52cc1adb6f9172fa6",
    "signature": "0x8df462f7759d2adfce264dc4f4b96010ef32fec7fc7303b4d3e1eb72dc3c4a775f570399e34f8d8172c5f196000c4716bff668be6fbad382c78cda49dfa2de431c",
    "signer": "0x3b171d6bd83F55b35591342c2898e342456FC4D9",
    "userId": "96864"
  }
}