{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0xbe805246c9c11d753420bd22f0d9eaec1b7a5afa5941ce0724de549200609691",
    "signature": "0x90f6068f8c0055db28a43472492b29a5be480d4184e42f2b3d3e6d7f1a6adab5607f1c3552ec2d72e9e64cf672db28b8961ff0fe2dcca935e7749f2216474adb1c",
    "signer": "0x0e9bf6F0AEef4497F47E3C31E7418Ba9Fc70Cd21",
    "userId": "487291104"
  }
}