{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0x31eaf88d7d3b5f3175e05b157c54c1165ec3fd2e3a5e242a07638ad1b6b4f726",
    "signature": "0x588d92a6a7628445152d0299e476bb74e4bbf73ab9b5a25efdf727f263ae492869af08f2096e86ce4fab194b03ee8c823529c0474d8a51a24419517a9fa147401b",
    "signer": "0x31784e5a73d821Ab548128F495ED3eE660166A8B",
    "userId": "263189540"
  }
}