{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x7aee3530a206d2c7af6b4e17d7fcb046a8e49c9b8e21004d882527013a6b2882",
    "signature": "0x4f1cacfd2d0afd7fd207ddc6d61d4719072ff4b4f13eda7bbbd60177fa4aa1476e7db3a7dba37116f4040d75f4675b9ee9e99e5fa1b08483a76088d81a6d714f1c",
    "signer": "0xBBc166d6cBCCC912BaDBd8aAB592f6e9D3A90301",
    "userId": "189200545"
  }
}