{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x6c1ef2e9c33e2ba1c0d352e41e06e8a3c7721c6f\"}",
    "nonce": "0x19f662e0a6379d240789dfa8803cca713cd6e7112a2d4c637cc873131ccd6c83",
    "signature": "0x6a32d6e4b8d61070a1c7713600c0243ff67982c0ab5de6f26c541a5fdf011a8963bc49a4546356267d70290d4d358bf74f24a9f3f298aa09a73fc82cadcc05131c",
    "signer": "0x1231a3D214D2602d505fc7b79e007cCaFB5dc0eD",
    "userId": "462753061"
  }
}