{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x2c981541f3325492e076a9b096139fbd5a0579ca2af051038a36eb77037bd33a",
    "signature": "0x38e9fec1a5b630220a21536d5b6fe33f241ea4c0a4ff810ade0b9c12e2ff5d0821c223e354b30435b037f17531939137488ad41884f7e8d0bb0a9bf1f18f70081c",
    "signer": "0x298E9cF3877c3B79a17de2263828A9Dab86dD7Cf",
    "userId": "18993780"
  }
}