{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x17308a50e524e99266a06abb707fedb4d2cb1b5064a987077d1190b0558a2539",
    "signature": "0x6e8e540a657236b5bddf929a5149bd2c60be0435dc4799ba5d3b35ad89e4424d4fbb1e7f06da75dc0f3a2cc01bfaf83a6e4cdf43810ca2111e81e8cd056ac4091c",
    "signer": "0x5852f60E9A032218B795A065F4827d734aC82692",
    "userId": "938407491"
  }
}