{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x3d2435f43514338ea9f9044acd5cca9173d8ed1e82e1c20695407ca128029aa7",
    "signature": "0xf50829a073c8b38fb646fad2d6e985e75690be356fbd297395addfd9c506bf0c232a1c1190edc92bb751c1ac1d2693af266453c533a4221e4e139c005f764ebd1c",
    "signer": "0x47876366ACBb20DaAC408C422AE6f75Af3969470",
    "userId": "279084195"
  }
}