{
  "manageEntity": {
    "action": "Create",
    "entityType": "Grant",
    "metadata": "{\"grantee_address\":\"0x2cc593fc814461263d282a84286fd4f72c79562e\"}",
    "nonce": "0x60d3fa22890c3eba7d9c148e5807cc06d535d92e904a9042dab975317104230b",
    "signature": "0xc3d28be9485b480814a6128cbd74725bd799350fc2e4e351cebe978410608e50479651378cfa35930120ba90fd464c09c13870600c3ad4db4c68b9bece02b6811c",
    "signer": "0xe1f89084B704BB78f3E9778899F1cc0c6Eb15018",
    "userId": "895654416"
  }
}