{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x542430cd8170d1ca7c76298dc8fc91d43629e899ce275623739f3f6157be9280",
    "signature": "0x8fd53c6b8c315fce4817d26b36f8f11938c630fa7d604166a67292312c044d2d0b077de2748bc0f564a961c52495bb079f92df64ad80f30c7918e6060f53b9d01c",
    "signer": "0x6E4c7E5A40acf31d66605cf5AcfA97c0a804d01e",
    "userId": "111035897"
  }
}