{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x394689b3110d23537ced2db1f80298fb003a0f2ad7c91eaec7f0c8b1ea55d7fd",
    "signature": "0x809826fe0b5b053ba07949cfd49522476fa7f4f7470b3fc3a18b3daae27eadd820f292bad9e88baccfc6369b3e950ddba865eca498f899c65f6fee01022127ec1b",
    "signer": "0x7804118dF28b5E285b1d332da0508802D14eb2F4",
    "userId": "558901396"
  }
}