{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0xe0525026f59d952ae2cda2f28771796c2d7f7d97\"}",
    "nonce": "0xe792553146b0e7b83bcd72798d83f9b4ec65691869b34a88a151cdb8faa1e95a",
    "signature": "0x1ccfe515d909eb6d8c9011c3a3359b888f693c2684a05932da68e8778592549d1f6d28e1f5d3f31cb9aface8940378d130e0d420ef83dc83dc09c33730d9e0461c",
    "signer": "0xCd45487823F769aFa645c4345086C6328B201D3C",
    "userId": "336441227"
  }
}