{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x286e7ad8f9447d0112953bdb1684a4b4192ecb76\"}",
    "nonce": "0xe7ab213c64d8178389e09740b1852716f5c93aa1fa29c53d7c8e753e7c8da0eb",
    "signature": "0x16dd954ca4c85c9cbc50fc092cd2ed0654c2a02627ffdebcba20f55ff96bbbf12ab3ada8251e1aec775db6837d9aba56810659741d6142a273fc15084a7134ba1b",
    "signer": "0x3FC11ffBf1e1588C541204476fb2EC6914B7E85d",
    "userId": "603242094"
  }
}