{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x84d02101c78ac4a8bfa420764f0a8715d08f2b803ccdcfd31e8519a9836a484b",
    "signature": "0x38086e7df3c9e82380772339e29d79fbb4d9775421935bcb9a90f571b3671c03620356e1f8f8c3f4db5bb71a92ff355704c218113eb2380a066d7c94019adccf1b",
    "signer": "0x934eC348373C8e121c01b9844026271130FA69C3",
    "userId": "487544337"
  }
}