{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x9a35ac57037226f90fc3456a676e38908f528db05d5bc9a76e6e0deb3e5595ec",
    "signature": "0x2b3071491eddd8fdbdd3df3cbec96c0dce4dc80b65cbc2fc4d11e6d0ac2d5f6b2c956d0141e0487423ac16b3159f412d731dfd40097421ae2d4cd5d05d0446ed1b",
    "signer": "0x1e45026c42C1966eb4472CA260705D34bC0B44a8",
    "userId": "457912010"
  }
}