{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xadcc0271fa5ddaaf35151f1868df11fb8a67d3bf\"}",
    "nonce": "0x33b613e518a501c8f9d30f22c0a9d68b936e1eb361197502e6ce3c1ae7fb280c",
    "signature": "0x8135f74f8247d8340e682cc8155d0050671f6b01aa8bf2fab0e16dd8886d896647fc89c5375ae9a6e7f48e91ad27069cfb2ed3d58f271e36a23482906547da001c",
    "signer": "0x69390eE85A40368f1dB502Dde4b1fc36a1850A33",
    "userId": "27130590"
  }
}