{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x2936a4310712259fa513bb6b638d2a4fe473c5e2ead27915a2ffc8c475c91ba7",
    "signature": "0x295cbc1a2ee246381dc2724b429d6aec63759134310ee827346d827052453451583abb3f0370fb827094f1568a49d2b77d20cc44a197c0230e9ac29a74c45f631b",
    "signer": "0x22804e0c677d9c515495D7f37c675cb44F481D77",
    "userId": "166323595"
  }
}