{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x8e6a0c5e8c93775d1f70ac5591514a5e00bac7f5\"}",
    "nonce": "0x0056f1aab429b560dde9fde752603f178e9270ea87bc23adf301ab51283edf26",
    "signature": "0xe48e559bacf511ae3336dc1c759047e826aa36d5e6497e5b5285f0048185f46d33443d57c2df95f634a6755204c10946809fcbe10262e075f452ad214ddb408c1c",
    "signer": "0xa0141890350693576c1B1F465595Ed8d49626D86",
    "userId": "614980785"
  }
}