{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0xadf868136fce1f15c4fe7b32f98bae74082d44192c6bfa732da192ebfd475529",
    "signature": "0x0d59459449604701166dd68ba3f6fb99f45c600ee7b75d86ea63a1b295724ea42ccac64eb54e56c093239533842dfc934563b6bad8ceba1e98427ddcd8f7f7671c",
    "signer": "0x0cd69B26103832C41119d7918f5E35f52d8CD002",
    "userId": "36139483"
  }
}